Home / 51,280.29-76,920.44-40,957.65

Finding the Fourth Proportional to 51,280.29, 76,920.44 and 40,957.65

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Solution

The fourth proportional to 51,280.29, 76,920.44 and 40,957.65 is: 61,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280.29 : 76,920.44 = 40,957.65 : x
  2. Step 2: Convert to fraction form
    51,280.29/76,920.44 = 40,957.65/x
  3. Step 3: Cross multiply
    51,280.29x = 76,920.44 × 40,957.65
  4. Step 4: Simplify right side
    51,280.29x = 3,150,480,254.58
  5. Step 5: Solve for x
    x = 3,150,480,254.58/51,280.29
  6. Step 6: Final answer
    x = 61,436.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.